Attaching sash-stops to windows



UNITED STATES PATENT OFFICE.

NATHANIEL S. MCFARLAN, OF SYRACUSE, NEW' YORK.

ATTACHING SASH-STOPS TO WINDOWS.

Specification of Letters Patent No. 28,994, dated July 3, 1860.

To all whom it may concern:

Be it known that I7 NATHANIEL S. Mo- FARLAN, of the city of Syracuse, inthe county of Onondaga and State of New York, have invented a new anduseful Self-Adj usting Tindow Spring and Stop Fastener; and I do herebydeclare that the following is a full and exact description thereof,reference being had to the drawings accompanying this specification andto the letters of reference marked on the said drawings.

Letter A indicates the window stop lying on the jarnb casing with aspring attached to the jamb.

Letter B indicates the window jainb.

Letter C indicates the catch, fastened to the window stop, lying in thewindow spring.

Letter D indicates the space which receives the spring marked F and E.

Letter E indicates the front or side of the spring.

Letter F indicates the edge of the spring.

Letter Gr indicates the catch, which is attached to the window stop.

Letter' H indicates the front of the catch.

Letter I indicates the edge of the catch as it is attached in the windowstop.

Letter J indicates the front of the window stop usually full size inwidth.

Letter K indicates the edge of the window stop usually full size inthickness.

Letter L indicates the window spring as it lies in the box or machine.

Letter' M indicates the part which receives the catch.

Letter N indicates the adjustable box which the spring bears against.

Letter O indicates the same as letter M lying out of its box.

Letter P indicates the front of the part which lies in the boX toreceive the catch.

Letter IV indicates the space which the catch enters to hold the stop.

Letter R indicates half section of letter I).

Letter' S indicates the end View of letter R.

Letter T indicates the front plate beneath which the spring lies.

Letter U indicates the vacancy beneath which letters O and IV lie toreceive the strength of the spring.

Letter V indicates side section of letter T.

Letter X indicates the stop attached to the window frame.

The nature of my invention is for the purpose of holding window sash toits place and prevent its rattling; and the convenience of taking outthe stop.

To enable others skilled in the art to make and use my invention I willproceed to describe its construction and operation.

I construct my self adjusting window spring and self fastener out ofbrass or malleable iron. The spring is placed in the jamb casing of thewindow directly under the window stop. The fastener' is placed in thestop and meshes in the adjustable spring which holds the stop to itsplace.

That I claim as my invention and desire to secure by Letters Patent is-Said self adjusting window spring and stop fastener.

Dated Syracuse May 14th 1860.

N. S. MGFARLAN.

Vitnesses RANsoM G. Oris, L. F. SMITH.

